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. 2016 Feb 9;6:20587. doi: 10.1038/srep20587

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(A) The POSTN protein was up-regulated in NFs after co-culture with HNC cells as determined by a western blotting. (B,C) The POSTN mRNA levels were increased in NFs after co-culture with HNC cells as detected using semi-quantitative RT-PCR and real-time PCR. (D) The morphological change of NFs observed by a biological microscopy and the POSTN expression levels in NFs were determined using immunohistochemical staining and confocal microscopy after the co-culture with HNC cells. (**p < 0.01; ***p < 0.001).